Commodity2005200620072008200920102011
Producer gas/water gas generators, with/without their purifiers; acetylene ...$203,266$322,771$889,447$1,148,077$1,680,908$790,233$455,099
Parts of the producer gas/water gas generators/acetylene gas & sim. water p ...$354,222$778,378$33,481$639,850$746,307$32,237$229,787
Total$557,488$1,101,149$922,928$1,787,927$2,427,215$822,470$684,886